A) any time chemicals, heat, or sediments are used to protect your eyes B) only if you don't have glasses C) to avoid eye strain D) to improve vision
A) skip it and go to the next part B) ask the teacher before you start C) figure it out as you do the lab D) try several methods until something works
A) dumped into the sink B) taken home C) disposed of according to your teacher's directions D) left at your table for the next class
A) tell the teacher at once B) see a doctor after school C) apply first aid yourself D) visit the school nurse after class
A) clean any glassware that looks dirty B) read all directions carefully to know what equipment is needed C) All of these D) examine all glassware to check for chips or cracks
A) sandals B) open-toed shoes C) slippers D) closed-toed shoes
A) always against the rules B) not dangerous C) Ok D) okay if you are working alone
A) the custodian B) your teacher C) your best friend in class D) your lab partners
A) wiping your hands B) when you are wearing your best clothes C) the protection of you and your clothing D) others to put away
A) use a fan B) pour it on the table C) waft the odor toward you D) nhale deeply
A) Clear off your table of books, food, and drinks B) Ask the teacher about any questions you have C) read all the directions D) all of these
A) fire blanket B) classroom door B) fire extinguisher C) fire extinguisher D) all of these
A) wipe your hands with a paper towel B) treat your hands with skin lotion C) wash your hands with soap and water D) ipe your hands on your clothes
A) wipe your hands on your pants B) try to figure out what the sticky substance is C) Wash your hands and tell the teacher D) wipe your hands on a classmate
A) Lab coat B) Safety glasses C) gloves D) sun glasses
A) put her hair up in a rubber band B) worn a hat today C) gotten a hair cut before class today D) skipped the lab
A) the fire extinguisher B) The fire blanket C) Your coat D) Water from the sink
A) before you start B) After school C) while you are working D) Next week
A) wash them down the sink B) follow the instructions of your teacher C) burn them in a burner D) throw them in the trash
A) your hands should be dry B) your hand must be wet C) ask the nurse. D) ask the custodian
A) away from you and toward others B) toward you and others C) toward you and away from others D) away from you and others
A) pour water into acid B) pour acid into water C) pour them at the same time D) let the teacher pour them
A) False B) true
A) true B) false
A) true B) false |